Home / 208,417.15-287,614.68-112,923.82

Finding the Fourth Proportional to 208,417.15, 287,614.68 and 112,923.82

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Solution

The fourth proportional to 208,417.15, 287,614.68 and 112,923.82 is: 155,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,417.15 : 287,614.68 = 112,923.82 : x
  2. Step 2: Convert to fraction form
    208,417.15/287,614.68 = 112,923.82/x
  3. Step 3: Cross multiply
    208,417.15x = 287,614.68 × 112,923.82
  4. Step 4: Simplify right side
    208,417.15x = 32,478,546,915.60
  5. Step 5: Solve for x
    x = 32,478,546,915.60/208,417.15
  6. Step 6: Final answer
    x = 155,834.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.